CN201779405U

CN201779405U - Energy-saving high-pressure resistant heat insulation plate

Info

Publication number: CN201779405U
Application number: CN2009202511735U
Authority: CN
Inventors: 刘礼龙
Original assignee: TIANJIN NANJI STAR INSULATING MATERIAL CO Ltd
Current assignee: TIANJIN NANJI STAR INSULATING MATERIAL CO Ltd
Priority date: 2009-12-01
Filing date: 2009-12-01
Publication date: 2011-03-30
Anticipated expiration: 2019-12-01

Abstract

The utility model relates to an energy-saving high-pressure resistant heat insulation plate which comprises a heat insulation plate, bearing ceramic pillars and an outer layer composite film; the bearing ceramic pillars are tightly embedded in through holes uniformly distributed on the heat insulation plate; the outer layer composite film wraps the heat insulation plate where the bearing ceramic pillars are uniformly distributed and embedded; and the inner part of the outer layer composite film is in vacuum state. The utility model has the characteristics of high efficiency, heat insulation, high compressive strength, convenience in use and the like, reduces the energy consumption of industrial furnaces and high-temperature equipment, saves energy, and can be extensively applied to various aspects in the fields of high-temperature insulation, low-temperature insulation, heat insulation, cold insulation and energy conservation.

Description

Energy-saving anti-high pressure thermal baffle

Technical field

The utility model belongs to heat-insulation and heat-preservation material field, especially a kind of heat-insulation and heat-preservation cold insulation material of energy-saving anti-high pressure.

Background technique

China is energy consumption big country, and the annual energy that consumes is equivalent to 1,500,000,000 tons of standard coals, and wherein about 40% is the energy consumption of industry equipment.At present, country has formulated a series of laws and regulations of energy saving building in the hope of reducing the energy consumption of industry equipment.One of mode that wherein reduces the industry equipment energy consumption is installed heat insulating board exactly in industry equipment, utilize warming plate that industry equipment is wrapped up to reduce the energy consumption of equipment.

Existing high temperature insulating warming plate generally adopts glass wool, rock wool, ceramic fiber (600 ℃ of thermal conductivity λ≤0.15W/mK, 800 ℃ of λ≤0.20W/mK) etc. as the heat-insulation and heat-preservation material, the problem that exists is: because glass wool, rock wool, though the thermal conductivity of materials such as ceramic fiber is little, but its volume density is little by (60～300Kg/m3), compressive strength little (≤1.5MPa), under the effect of high pressure, the heat-insulation and heat-preservation material thickness can be compressed and cause losing heat preservation and insulation, and serious meeting is because the excess shrinkage on the heat-insulation and heat-preservation thickness direction causes equipment to go wrong.

For addressing the above problem, there is the people just the density of heat-insulation and heat-preservation material to be done greatly, make its compressive strength reach 15～38MPa to enough to resist certain pressure greatly, keep certain thermal insulation property simultaneously; But the thermal conductivity of thermal insulation property but rises (reaching 0.31～0.34W/mK (600 ℃)) significantly, and such result is the heat preservation and insulation of having sacrificed thermal-protective material.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of energy-saving anti-high pressure thermal baffle is provided; This thermal baffle energy-saving efficiency height, thermal conductivity is low and have advantages of higher compressive strength.

The utility model solves its technical problem and takes following technological scheme to realize:

A kind of energy-saving anti-high pressure thermal baffle, constitute by thermal baffle, load-bearing ceramics pole and outer composite membrane, the load-bearing ceramics pole closely be inlaid in thermal baffle in the uniform through hole of making, thermal baffle at uniform setting-in load-bearing ceramics pole is coated with outer composite membrane, is vacuum state in outer composite membrane.

And described load-bearing ceramics pole comprises conventional ceramic or refractory ceramics.

And described load-bearing ceramics pole is solid and hollow spheres, solid and open tubular column, square or rectangular column.

And, described load-bearing ceramics pole be shaped as open column shape, be of a size of 3～50 millimeters of external diameters; The internal diameter of hollow ceramic post is 3～40 millimeters; The height of hollow ceramic post is 3～100 millimeters; The hollow ceramic post be distributed as triangle, square or other distribution pattern, distribute spacing is 30～100 millimeters.

And described outer composite membrane is aluminium foil, plastics clad aluminum foil film, and/or the laminated film of plastics class, and/or the laminated film of fiber.

Advantage of the present utility model and good effect are:

1, this anti-high pressure thermal baffle is to adopt general heat-insulation and heat-preservation material on the market, and the load-bearing ceramics pole of embedded anti-high pressure covers the outer composite membrane of one deck outward and encapsulate under vacuum condition and forms air-locked thermal-protective material of formation vacuum; The thermal-protective material that adopts vacuum packaging to get up, than not using not only intensity height of vacuum-packed material, convenient use is free from environmental pollution, also have the heat preservation and insulation of vacuum-packed thermal-protective material better, performance is than more than the good 2-4 of the heat-insulation and heat-preservation material that does not have vacuum times, have heat-insulating efficiency height, anti-high pressure, vacuum waterproof, easy-to-use characteristics, reduced the energy consumption of high temperature or Cryo Equipment, saved the energy.

2, this anti-high pressure thermal baffle adopts superinsulation material such as nanometer heat insulation material, its thermal conductivity is 600 ℃ of λ≤0.035W/mK, 800 ℃ of λ≤0.043W/mK, measuring body ceramics pole compressive strength is 450MPa, cooperate the composite heat-insulated material that forms both to keep the best heat-shielding performance of nanometer heat insulation material like this, possesses high compression strength again, the ceramics pole that can design different distributions density reaches the composite heat insulatant thermal insulation material of different heat insulation and compression resistancies, to satisfy different usage requirements.

3, this anti-high pressure thermal baffle adopts superinsulation material such as nanometer heat insulation material and high temperature fiber compound heat-insulation layer, the high temperature fiber thermal-protective coating is used in high temperature face, because super nanometer heat insulation material maximum operation (service) temperature is 1100 ℃, surpassing this temperature will shrinkage cracking, so adopt the thermal-protective material of high-temperature flame-proof in high temperature face, as ceramic fiber, mullite fiber, alumina fibre, contain the high temperature insulating material of using on the markets such as zirconium fiber, like this can be so that insulating thickness is thicker, the hot-face temperature of composite heat-insulated material can reach 1600 ℃, the ceramics pole of anti-high pressure wherein passes the compound heat-insulation layer, plays the effect of bearing high pressure.

4, this anti-high pressure thermal baffle has characteristics such as effectively insulating, compressive strength are big, easy to use, has reduced the energy consumption of Industrial Stoves and high-temperature service, has saved the energy, also can be widely used in the All aspects of in high temperature insulating and low temperature heat preservation energy-saving field.

Description of drawings

Fig. 1 is a plan view of the present utility model;

Fig. 2 is that the A-A of Fig. 1 is to cross-sectional view.

Embodiment

Below in conjunction with accompanying drawing the utility model embodiment is further described:

A kind of energy-saving anti-high pressure thermal baffle as shown in Figure 1 and Figure 2, is made of thermal baffle 1, load-bearing ceramics pole 2 and outer composite membrane 3.The load-bearing ceramics pole closely be inlaid in thermal baffle in the uniform through hole of making, the sectional shape of through hole comprises various geometrical shapies such as circular hole, rectangular opening, its uniform span is decided on concrete compressive strength; Heat insulating board at uniform setting-in load-bearing ceramics pole is coated with outer composite membrane, is evacuated in outer composite membrane.

The heat-insulation and heat-preservation material that this thermal baffle adopted, comprise the general heat-insulation and heat-preservation materials in market such as organic thermal-protective material such as urethane foam thermal insulating material, also can be inanimate matter foamed material or lamination coating such as rock wool, glass wool, ceramic fiber, alumina fibre, calcium silicate board, the general heat-insulation and heat-preservation materials in market such as superinsulation material such as nanometer heat insulation material also are not limited to above-mentioned material.

The load-bearing ceramics pole that this thermal baffle adopted is the ceramics pole of anti-high pressure, can be that hollow ceramics pole also can be the load-bearing material of other shapes, it is shaped as solid and hollow spheres, solid and open tubular column, square and rectangle or other abnormity, optimum shape is an open column shape, be of a size of 3～50 millimeters of external diameters, reasonable is 5～15 millimeters, and best external diameter is 10～12 millimeters; The internal diameter of hollow ceramic post is 3～40 millimeters, and the best is 3～6 millimeters; The height of hollow ceramic post is 3～100 millimeters, and the best is 3～50 millimeters; The hollow ceramic post be distributed as triangle, square or other distribution pattern, distribute spacing is decided according to measuring body intensity, is generally 30～100 millimeters, the best is 40～80 millimeters.Material can be that oxidation is siliceous, aluminosilicate property, zirconium silicate matter, zirconium oxide matter, carbonization are siliceous, silicon nitride, mullite, the contour gentleness of aluminum oxide is fire-resistant or the low-temp ceramics material.

The outer composite membrane that this thermal baffle adopted comprises composite plastic or aluminium foil, PA/PE or other forms of composite high-strength film, can use transparent composite plastic film, also can use colors such as opaque or translucent composite plastic film such as ivory, white, redness, black, also can use PA/PE composite plastic film or other forms of laminated film; Also can adopt glass fiber cloth or high temperature fiber cloth such as high silica continuous fiber cloth, high-temperature ceramic fibre cloth, high temperature continuous fiber cloth etc. to be coated on outer composite membrane outside.

Making method of the present utility model is: uniform on heat insulating board, get out through hole, then the load-bearing ceramics pole with tight mode setting-in in through hole, put outer composite membrane again, state is evacuated in vacuum chamber, then the composite membrane termination is sealed, promptly form high-strength anti-high pressure thermal baffle.

It is emphasized that; embodiment described in the utility model is illustrative; rather than it is determinate; therefore the utility model is not limited to the embodiment described in the embodiment; every by those skilled in the art according to other mode of executions that the technical solution of the utility model draws, belong to the scope of the utility model protection equally.

Claims

1. energy-saving anti-high pressure thermal baffle, it is characterized in that: constitute by thermal baffle, load-bearing ceramics pole and outer composite membrane, the load-bearing ceramics pole closely be inlaid in thermal baffle in the uniform through hole of making, thermal baffle at uniform setting-in load-bearing ceramics pole is coated with outer composite membrane, is vacuum state in outer composite membrane.

2. energy-saving anti-high pressure thermal baffle according to claim 1, it is characterized in that: described load-bearing ceramics pole comprises conventional ceramic or refractory ceramics.

3. energy-saving anti-high pressure thermal baffle according to claim 1 and 2 is characterized in that: described load-bearing ceramics pole is solid sphere, hollow spheres, solid post, open tubular column, square or rectangular column.

4. energy-saving anti-high pressure thermal-protective material according to claim 3 is characterized in that: described load-bearing ceramics pole be shaped as open column shape, be of a size of 3～50 millimeters of external diameters; The internal diameter of hollow ceramic post is 3～40 millimeters; The height of hollow ceramic post is 3～100 millimeters; The hollow ceramic post be distributed as triangle, square pattern, distribute spacing is 30～100 millimeters.